5.5

CVE-2016-9922: qemu Divide By Zero

Modified
AliasesUBUNTU-CVE-2016-9922DEBIAN-CVE-2016-9922
Published 27-03-2017Last modified 06-08-2024

Vulnerability summary

CVE-2016-9922 is a medium (CVSS 5.5) Divide By Zero vulnerability in qemu. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 35.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 17 · Related 12
DLA-1497-1DLA-764-1DLA-765-1RHSA-2017:2392RHSA-2017:2408SUSE-SU-2017:0127-1

Timeline

  1. 27-03-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.41% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • qemu< 1:2.8+dfsg-1
Qemu1 product
  • qemu≤ 2.7.1 | 2.8.0:rc0 | 2.8.0:rc1 | 2.8.0:rc2
Ubuntu1 product
  • qemu< 2.0.0+dfsg-2ubuntu1.33 | < 1:2.5+dfsg-5ubuntu10.11

3 vendors · 3 products

References

12 links
Show all 12 references